Call To A Member Function On String
Stefan Bogdanescu
Founder & Senior Architect · 2026-06-29
# The Pitfall of Calling Methods on Strings: Debugging Eloquent Errors in Blade
Hello fellow developers! As a senior engineer, I frequently encounter subtle yet frustrating errors when working with Laravel, especially when bridging the gap between your Eloquent Models and your Blade views. Today, we are diving into a very common issue: the dreaded `Call to a member function on string` error.
This post will dissect exactly why this error occurs in the context of dynamic data retrieval from a Model and show you the robust, idiomatic ways to fix it, ensuring your application flows smoothly, much like adhering to best practices taught by the Laravel community at [https://laravelcompany.com](https://laravelcompany.com).
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## Diagnosing the Error: Why Do We Get "Call to a member function on string"?
The error you are seeing—`Call to a member function photo() on string`—tells us precisely what went wrong. It means that somewhere in your code, PHP attempted to execute a method named `photo()` on a variable that it determined was a **string**, not an object (like an Eloquent Model instance).
Let's look at the problematic code structure you provided:
```php
// In your Model
public function photo() {
return $this->photo; // If $this->photo holds a string value, this returns a string.
}
// In your Blade file
{{asset('assets/images/main-categories/' . $model->photo())}}
```
The problem lies in the expression `$model->photo()`. When you call a method on an object (like an Eloquent Model), it works perfectly because the object has methods defined. However, if your model property `$this->photo` is a simple string (e.g., storing a file name or an ID as text) instead of a related object, calling `photo()` on that resulting string causes PHP to throw this error because strings do not have a method named `photo()`.
In essence, you are trying to treat a piece of data (a string) as if it were another object capable of handling method calls.
***
## The Solution: Accessing Data Correctly in Laravel
The solution involves understanding the difference between accessing **attributes** (properties) and calling **methods** on an Eloquent Model instance. You need to ensure that whatever you pass to the `asset()` helper is a valid file path string, not an attempt to call a method on a static value.
### Option 1: Accessing Attributes Directly (The Simplest Fix)
If `$model->photo` already holds the file path or identifier you need, you should access it directly without invoking a method on it:
```php
{{-- Assuming $model->photo holds the actual path string --}}